The IRT Procedure (Experimental)


  • Bock, R. D. and Aitkin, M. (1981), “Marginal Maximum Likelihood Estimation of Item Parameters: Application of an EM Algorithm,” Psychometrika, 46, 443–459.

  • Bock, R. D. and Lieberman, M. (1970), “Fitting a Response Model for n Dichotomously Scored Items,” Psychometrika, 35, 179–197.

  • De Ayala, R. J. (2009), The Theory and Practice of Item Response Theory, New York: Guilford Press.

  • Embretson, S. E. and Reise, S. P. (2000), Item Response Theory for Psychologists, Mahwah, NJ: Lawrence Erlbaum Associates.

  • Lesaffre, E. and Spiessens, B. (2001), “On the Effect of the Number of Quadrature Points in a Logistic Random Effects Model: An Example,” Journal of the Royal Statistical Society, Series C, 50, 325–335.

  • McKinley, R. L. and Mills, C. N. (1985), “A Comparison of Several Goodness-of-Fit Statistics,” Applied Psychological Measurement, 9, 49–57.

  • Rabe-Hesketh, S., Skrondal, A., and Pickles, A. (2002), “Reliable Estimation of Generalized Linear Mixed Models Using Adaptive Quadrature,” Stata Journal, 2, 1–21.

  • Yen, W. M. (1981), “Using Simulation Results to Choose a Latent Trait Model,” Applied Psychological Measurement, 5, 245–262.